class Chat {
  final String name;
  final String message;
  final String time;
  final String? avatarUrl;
  final int unreadCount;

  const Chat({
    required this.name,
    required this.message,
    required this.time,
    this.avatarUrl,
    this.unreadCount = 0,
  });
}

final List<Chat> mockChats = [
  const Chat(
    name: 'AI前沿技术讨论组',
    message: 'Alex Chen: GPT-5的多模态能力确实突破很大，特别是推理链',
    time: '16:23',
    unreadCount: 12,
  ),
  const Chat(
    name: '芯片研发核心团队',
    message: 'David Wang: 新的NPU芯片在Transformer推理上性能提升了40%',
    time: '15:30',
    unreadCount: 5,
  ),
  const Chat(
    name: '模型优化专项组',
    message: 'Grace Wu: 量化后的模型大小减少了60%，精度损失<1%',
    time: '14:15',
    unreadCount: 3,
  ),
  const Chat(
    name: 'Alex Chen - AI架构师',
    message: '关于Transformer架构的优化方案，我发给你了',
    time: '13:45',
    unreadCount: 1,
  ),
  const Chat(
    name: 'David Wang - 芯片研发总监',
    message: '最新的芯片测试报告已更新，功耗优化效果很好',
    time: '12:20',
    unreadCount: 0,
  ),
  const Chat(
    name: 'AI前沿资讯分享群',
    message: 'Sam Gao: Claude 3.5 Sonnet发布了，在代码和推理方面提升明显',
    time: '11:30',
    unreadCount: 8,
  ),
  const Chat(
    name: 'Grace Wu - 模型优化专家',
    message: '模型训练进度：85%，预计明天完成，可以开始部署测试',
    time: '昨天',
    unreadCount: 0,
  ),
  const Chat(
    name: '家庭群',
    message: '妻子: 晚上记得回家吃饭',
    time: '昨天',
    unreadCount: 2,
  ),
  const Chat(
    name: '妻子',
    message: '好的，我下班就回去',
    time: '昨天',
    unreadCount: 0,
  ),
  const Chat(
    name: '产品技术对接群',
    message: 'Nancy Xu: API接口文档已更新，支持最新的模型推理接口',
    time: '星期一',
    unreadCount: 0,
  ),
  const Chat(
    name: '算法团队工作群',
    message: 'Kevin Lin: 新的训练策略效果不错，准确率提升了3%',
    time: '星期一',
    unreadCount: 15,
  ),
  const Chat(
    name: '芯片架构设计组',
    message: 'Mike Huang: 下一代芯片的架构设计初稿已完成',
    time: '星期一',
    unreadCount: 7,
  ),
  const Chat(
    name: '妈妈',
    message: '周末回家吗？',
    time: '星期日',
    unreadCount: 1,
  ),
  const Chat(
    name: 'AI模型部署组',
    message: 'Peter Zhu: 新模型已部署到测试环境，性能监控正常',
    time: '星期五',
    unreadCount: 0,
  ),
  const Chat(
    name: '技术专家讨论组',
    message: 'William Feng: 关于大模型推理加速的方案，大家有什么想法？',
    time: '星期五',
    unreadCount: 6,
  ),
];
